Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 69832c2b932e1488…

MALICIOUS

Office (OLE) / .DOCX

151.4 KB Created: 2020-09-29 07:27:00 Authoring application: Microsoft Office Word
MD5: b0ec7394b4d1b76a2927314d8552fc72 SHA-1: c0ef17611219112589cbe67e490aaf704404678b SHA-256: 69832c2b932e1488627b112b8fd3074299ba105f0738fff22031cd6809f0008a
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1140 Deobfuscate/Decode Files or Information

The sample was detected as Emotet by ClamAV, a known downloader family. High-severity heuristics indicate the presence of VBA macros, specifically a Document_Open auto-execution macro that uses CreateObject. The VBA script itself is heavily obfuscated, but the presence of these indicators strongly suggests it is designed to download and execute a second-stage payload. The obfuscated nature of the script and the use of CreateObject are common tactics for Emotet to evade detection and achieve its payload delivery.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-9769096-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9769096-0
  • Document_Open macro high OLE_VBA_DOCOPEN
    Document_Open macro
  • CreateObject call high OLE_VBA_CREATEOBJ
    CreateObject call
  • VBA p-code auto-exec with execution tokens high OLE_VBA_PCODE_AUTOEXEC_EXEC
    Compiled VBA/cache stream contains an auto-execution token together with shell/download/object-execution tokens. This catches p-code-only or source-extraction-failure macro documents where visible source is unavailable.
  • VBA macros detected medium OLE_VBA_MACROS
    Document contains VBA macro code
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://schemas.openxmlformats.org/drawingml/2006/main

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
7fe684c304685628252d7c0111d3e33f34436ae7810b3dde5f2aa07edc7bb621		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 8166 bytes

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